2D magnetic stability

Abstract

This article is a contribution to the proceedings of the 33rd/35th International Colloquium on Group Theoretical Methods in Physics (ICGTMP, Group33/35) held in Cotonou, Benin, July 15-19, 2024. The stability of matter is an old and mathematically difficult problem, relying both on the uncertainty principle of quantum mechanics and on the exclusion principle of quantum statistics. We consider here the stability of the self-interacting almost-bosonic anyon gas, generalizing the Gross-Pitaevskii / nonlinear Schrödinger energy functionals to include magnetic self interactions. We show that there is a type of supersymmetry in the model which holds only for higher values of the magnetic coupling but is broken for lower values, and that in the former case supersymmetric ground states exist precisely at even-integer quantized values of the coupling. These states constitute a manifold of explicit solitonic vortex solutions whose densities solve a generalized Liouville equation, and can be regarded as nonlinear generalizations of Landau levels. The reported work is joint with Alireza Ataei and Dinh-Thi Nguyen and makes an earlier analysis of self-dual abelian Chern-Simons-Higgs theory by Jackiw and Pi, Hagen, and others, mathematically rigorous.

16 pages, 3 figures. Proceedings of ICGTMP, Group33/35, held in Cotonou, Benin, July 15-19, 2024

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